3.How many carbon atoms are there in a 1 carat diamond? Diamond is pure carbon and one carat is exactly 0 2g.
4. How many molecules are there in 6 moles of water (H2O)?
4. How many molecules are there in 6 moles of water (H2O)?
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Answers & Comments
In this example you have 0.2 grams of carbon atoms. The first step is to find out how many moles this is.The molar mass of carbon is 12.01 g/mol, you have 0.2 gram so:0.2
g
12.01
g
m
o
l
=
0.01665
...
m
o
l